dahlmann-hansen.dk

📜 Historical scan 2026-10-05 20:32:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dahlmann-hansen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 14 February 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 140ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

5 records 116ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	142.251.127.26 2a00:1450:4001:c21::1a	lcfrai-in-f26.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	172.253.152.26 2a00:1450:4010:c22::1b	yulpptr-in-f26.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	172.253.152.26 2a00:1450:4010:c22::1b	yulpptr-in-f26.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 315ms

TXT Record
google-site-verification=hzJui90uPSOBfKQNkH59voXvLYCJUWa0qUAXiT2NQD4

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 11:01:39

www	NXDOMAIN
www vs bare domain	Neither resolves dahlmann-hansen.dk: no address www.dahlmann-hansen.dk: no address
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

272ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

83ms

Field	Value
Serial	2026100501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-05 20:52:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-02-14
Expires	2027-03-31 (160d)

📋 WHOIS#

⏱️ Lookup Timing#

140ms

133ms

116ms

AAAA

144ms

TXT

315ms

CAA

140ms

HTTPS

146ms

TLSA

303ms

SOA

83ms

MTA-STS

166ms

DNSSEC

272ms

SRV

167ms

Total

1483ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 11:01:39	1114ms	2 NS 0 A 5 MX	🔒 Secure
2026-10-05 20:32:27 shown	1483ms	2 NS 0 A 5 MX	🔒 Secure
2026-09-22 02:37:10	857ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-28 07:04:29	866ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-27 02:29:45	946ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-22 21:50:15	771ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-20 15:17:43	1326ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-20 09:36:26	504ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-16 23:43:51	1273ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-16 23:41:21	440ms	2 NS 0 A 5 MX	🔒 Secure